*

• Satellites by orbit (2 C, 1 P)

E

• Earth orbits (2 C, 25 P)

H

• Hyperbolic asteroids (4 P)
• Hyperbolic comets (135 P)

M

• Mars orbits (1 C, 3 P)
• Orbit of the Moon (2 C, 20 P)

O

• Orbital maneuvers (2 C, 18 P)
• Orbital perturbations (1 C, 13 P)
• Orbital resonance (4 C, 4 P)

S

• Suborbital spaceflight (5 C, 32 P)

T

• Three-body orbits (8 P)

• Orbit

*

• List of orbits

A

• Apse line
• Apsidal precession
• Apsis
• Argument of latitude
• Argument of periapsis
• Artificial satellites in retrograde orbit

B

• Bertrand's theorem
• Box orbit
• BSTAR

C

• Central configuration
• Characteristic energy
• Circular orbit
• Circumlunar trajectory
• Clohessy–Wiltshire equations
• Commensurability (astronomy)
• Cytherocentric orbit

D

• Dermott's law

E

• Earth-trailing orbit
• Eccentric anomaly
• Eccentricity vector
• Elliptic orbit
• Equation of the center
• Escape orbit
• Escape velocity
• Euler's three-body problem

F

• Free drift
• Frozen orbit

G

• Galactocentric distance
• Gauss's method
• Gravitational keyhole
• Gravitational scattering

H

• Heliocentric orbit
• Hill sphere
• Hohmann transfer orbit
• Hyperbolic trajectory

I

• Inclined orbit
• Inertial frame of reference
• Innermost stable circular orbit
• Interplanetary Transport Network
• Irregular moon

J

• Jacobi coordinates
• Jacobi integral

K

• Kepler orbit
• Kepler's equation
• Kepler's laws of planetary motion

L

• Lambert's problem
• Laplace limit
• Laplace plane
• Laplace sphere
• Laplace–Runge–Lenz vector
• Libration point orbit
• Line of nodes
• Longitude of periapsis
• Longitude of the ascending node

M

• Mean anomaly
• Mean longitude
• Mean motion
• Minimum orbit intersection distance
• Momentum compaction

N

• N-body choreography
• N-body problem
• Near-equatorial orbit
• Nodal period
• Non-inclined orbit

O

• Observation arc
• Orbit determination
• Orbit equation
• Orbital decay
• Orbital eccentricity
• Orbital elements
• Orbital inclination
• Orbital node
• Orbital shell (spaceflight)
• Orbital speed
• Orbital state vectors
• Orbiting body

P

• Painlevé conjecture
• Parabolic trajectory
• Parking orbit
• Path-constrained rendezvous
• Orbital period
• Orbital plane
• Orbital plane of reference
• Orbital pole
• Primary body
• Proper orbital elements

Q

• Quadrature (astronomy)

R

• Radial trajectory
• Radial velocity
• Resident space object
• Retrograde and prograde motion
• Rosetta orbit

S

• Satellite revisit period
• Semi-major and semi-minor axes
• Sitnikov problem
• Spacecraft attitude determination and control
• Spacecraft detumbling
• Specific angular momentum
• Specific orbital energy
• Sphere of influence (astrodynamics)
• Standard gravitational parameter
• Star tracker
• Stationary orbit
• Stumpff function
• Subsynchronous orbit
• Sun sensor
• Supersynchronous orbit
• Synchronous orbit

T

• Three-body problem
• Tidal acceleration
• Tidal circularization
• Tidal locking
• Tisserand's criterion
• Tisserand's parameter
• Transatmospheric orbit
• Transfer orbit
• True anomaly
• True longitude
• Two-body problem
• Two-line element set

U

• Uncertainty parameter
• Universal variable formulation

V

• Vis-viva equation